- removeScope preserves graph state when items remain (only resets on empty)
- Extract shared CheckIcon, CloseIcon, Spinner, ScopeListItem components
- Unify three handleSelect* into single handleToggle
- Fix shared mutable Set in reset state (factory function)
- Add MAX_SCOPE_ITEMS UI feedback (disabled button, warning banner)
- Correct ARIA: dialog > tablist + listbox > option structure
- Event listeners only attached when dropdown is open
- isSelected uses Set lookup via useMemo instead of O(n) scan
- Clear user search only on add, not on deselect
- Replace full graph with scoped view (campaign/partner/user)
- ScopeSelector component with tabs and searchable dropdown
- Store resets all state on scope change (selection, hover, filters)
- Remove dead NetworkSearch component and graphInstance globals
- i18n keys for scope selector in all 4 locales